package com.yhsimon.lambda;

/**
 * 推导Lambda表达式
 */
public class Lambda1 {
    //3.静态内部类
    static class Like2 implements ILike{

        @Override
        public void lambda() {
            System.out.println("I like lambda2");
        }
    }

    public static void main(String[] args) {
        ILike like=new Like();
        like.lambda();

        like=new Like2();
        like.lambda();

        //4.局部内部类
        class Like3 implements ILike{

            @Override
            public void lambda() {
                System.out.println("I like lambda3");
            }
        }

        like=new Like3();
        like.lambda();

        //5.匿名内部类
        like=new ILike() {
            @Override
            public void lambda() {
                System.out.println("I like lambda4");
            }
        };

        like.lambda();

        //6.用Lambda简化
        like=()->System.out.println("I like lambda5");
        like.lambda();

    }
}

//1.定义一个函数式接口
interface ILike{
    void lambda();
}
//2.实现类
class Like implements ILike{

    @Override
    public void lambda() {
        System.out.println("I like lambda");
    }
}